Ring in 2011 with champagne countdowns and noisemakers (the kind with musical instruments or turntables), at these 21-and-up bars and nightclubs.

Travelmath.com says Brazil is six hours ahead of California. A good factoid to use at Prohibition’s Brazilian New Year’s event. Wear all-white at this speakeasy throwback, and drink Caipirinha and Pisco (South American creations). With live music by the Bossa. $20. 548 Fifth Ave., Gaslamp. prohibitionSD.com.

The red carpet treatment can be costly, but you can still get hors d’oeuvres and 10 electronica deejays at little Kava Lounge’s “Bass Odyssey 2: Lost in Bass” dance party. Doors at 9 p.m. $10 (pre-sale). 2812 Kettner Boulevard, Midtown. (619) 543-0933; kavalounge.com.

So many ingredients go into Big Night San Diego: food, dance floors, drink stations, casino tables and live music, including Lady Dottie and the Diamonds who’ll probably do one blues tune about the year that got away. Twelve party areas. $119.99 (price may change closer to the event). Hilton San Diego Bayfront, 1 Park Blvd., bignightsandiego.com.

Do an al fresco New Year’s party at Lei Lounge with the burlesque stylings of Lipstik Inc Girls and aural burlesque of deejay dirtyKURTY. $20, limited to 300. 4622 Park Blvd., University Heights. (619) 813-2272; 607events.com.

Watch the balloon drop at the San Diego spot most likely to have (paid) celebrities this New Year’s. Stingaree lined up the party favors and deejay regular Fashen. Doors at 9 p.m. $50. $75 for weekend pass. 454 6th Ave., Gaslamp. Get Friday and Saturday admission for $70. (619) 544-9500; stingsandiego.com.

Get a welcome drink and a bubbly midnight toast for only a $10 cover at three places: Proper Gastropub (795 J St., East Village. (619) 255-7452; propergastropub.com) and its neighbor, Wine Steals East Village (793 J. St. (619) 255-7452; winestealssd.com) and Wine Steals – Hillcrest (1243 University Ave., (619) 295-1188; winestealssd.com).

La Puerta is also no cover on New Year’s Eve. With DJ Bobby French and a complimentary champagne toast at midnight. 560 Fourth Ave., Gaslamp. (619) 696-3466; taco619.com.

More no cover fun can be had at the Pearl, where a complimentary champagne toast and DJ DexDiego await you. 1410 Rosecrans, Point Loma, (619) 226-6100; thepearlsd.com.

Stone Brewing Co. turns into a party compound. Tunes from Sue Palmer and her Motel Swing Orchestra as well as jazz and a deejay. Dinner stations, a commemorative NYE glass and 32 beers on tap with which to fill it. Starts at 8 p.m. $150. Stone Brewing World Bistro & Gardens, 1999 Citracado Parkway, Escondido. (760) 471-4999; stoneworldbistro.com.